in a two digit number, the tens digit is 2 less than the units digit multiplied by three. the reversed number is half of the original number plus one half. What is the original number?

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?